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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">import XHR from './xhr';
import { withRetries } from './util';
&nbsp;
const loadAbortControllerPolyfill = <span class="fstat-no" title="function not covered" >async() =</span>&gt;<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" > {</span></span>
<span class="cstat-no" title="statement not covered" >  <span class="missing-if-branch" title="if path not taken" >I</span>if (typeof AbortController === 'undefined') {</span>
<span class="cstat-no" title="statement not covered" ><span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >    await import('</span>abortcontroller-polyfill/dist/polyfill-patch-fetch');</span></span>
  }
};
&nbsp;
/**
 * S3 File Services provider for file storage.
 * @param {object} formio formio instance
 * @returns {import('./typedefs').FileProvider} The FileProvider interface defined in index.js.
 */
function <span class="fstat-no" title="function not covered" >s3(</span>formio) {
<span class="cstat-no" title="statement not covered" >  return {</span>
    async <span class="fstat-no" title="function not covered" >uploadFile(</span>file, fileName, dir, progressCallback, url, options, fileKey, groupPermissions, groupId, abortCallback, multipartOptions) {
      const xhrCallback = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >async(x</span>hr, response, abortCallback) =&gt;<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" > {</span></span></span>
<span class="cstat-no" title="statement not covered" >        response.data.fileName = fileName;</span>
<span class="cstat-no" title="statement not covered" >        response.data.key = XHR.path([response.data.key, dir, fileName]);</span>
<span class="cstat-no" title="statement not covered" >        if (response.signed) {</span>
<span class="cstat-no" title="statement not covered" >          if (multipartOptions &amp;&amp; Array.isArray(response.signed)) {</span>
            // patch abort callback
<span class="cstat-no" title="statement not covered" >            await loadAbortControllerPolyfill();</span>
            const abortController = <span class="cstat-no" title="statement not covered" >new AbortController();</span>
            const abortSignal = <span class="cstat-no" title="statement not covered" >abortController.signal;</span>
<span class="cstat-no" title="statement not covered" >            <span class="missing-if-branch" title="if path not taken" >I</span>if (typeof abortCallback === 'function') {</span>
<span class="cstat-no" title="statement not covered" >              abortCallback(<span class="fstat-no" title="function not covered" >() =</span>&gt; <span class="cstat-no" title="statement not covered" >abortController.abort())</span>;</span>
            }
<span class="cstat-no" title="statement not covered" >            try {</span>
              const parts = <span class="cstat-no" title="statement not covered" >await this.uploadParts(</span>
                file,
                response.signed,
                response.data.headers,
                response.partSizeActual,
                multipartOptions,
                abortSignal
              );
<span class="cstat-no" title="statement not covered" >              await withRetries(this.completeMultipartUpload, [response, parts, multipartOptions], 3);</span>
<span class="cstat-no" title="statement not covered" >              return;</span>
            }
            catch (err) {
              // abort in-progress fetch requests
<span class="cstat-no" title="statement not covered" >              abortController.abort();</span>
              // attempt to cancel the multipart upload
<span class="cstat-no" title="statement not covered" >              this.abortMultipartUpload(response);</span>
<span class="cstat-no" title="statement not covered" >              throw err;</span>
            }
          }
          else {
<span class="cstat-no" title="statement not covered" >            xhr.openAndSetHeaders('PUT', response.signed);</span>
<span class="cstat-no" title="statement not covered" >            xhr.setRequestHeader('Content-Type', file.type);</span>
<span class="cstat-no" title="statement not covered" >            <span class="missing-if-branch" title="if path not taken" >I</span>if (response.data.headers) {</span>
<span class="cstat-no" title="statement not covered" >              Object.keys(response.data.headers).forEach(<span class="fstat-no" title="function not covered" >(k</span>ey) =&gt; {</span>
<span class="cstat-no" title="statement not covered" >                xhr.setRequestHeader(key, response.data.headers[key]);</span>
              });
            }
<span class="cstat-no" title="statement not covered" >            return file;</span>
          }
        }
        else {
          const fd = <span class="cstat-no" title="statement not covered" >new FormData();</span>
<span class="cstat-no" title="statement not covered" >          for (const key in response.data) {</span>
<span class="cstat-no" title="statement not covered" >            fd.append(key, response.data[key]);</span>
          }
<span class="cstat-no" title="statement not covered" >          fd.append('file', file);</span>
<span class="cstat-no" title="statement not covered" >          xhr.openAndSetHeaders('POST', response.url);</span>
<span class="cstat-no" title="statement not covered" >          return fd;</span>
        }
      };
      const response = <span class="cstat-no" title="statement not covered" >await XHR.upload(</span>
        formio,
        's3',
        xhrCallback,
        file,
        fileName,
        dir,
        progressCallback,
        groupPermissions,
        groupId,
        abortCallback,
        multipartOptions
      );
<span class="cstat-no" title="statement not covered" >      return {</span>
        storage: 's3',
        name: fileName,
        bucket: response.bucket,
        key: response.data.key,
        url: XHR.path([response.url, response.data.key]),
        acl: response.data.acl,
        size: file.size,
        type: file.type
      };
    },
    async <span class="fstat-no" title="function not covered" >completeMultipartUpload(</span>serverResponse, parts, multipart) {
      const { changeMessage } = <span class="cstat-no" title="statement not covered" >multipart;</span>
<span class="cstat-no" title="statement not covered" >      changeMessage('Completing AWS S3 multipart upload...');</span>
      const token = <span class="cstat-no" title="statement not covered" >formio.getToken();</span>
      const response = <span class="cstat-no" title="statement not covered" >await fetch(`${formio.formUrl}/storage/s3/multipart/complete`, {</span>
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          ...(token ? { 'x-jwt-token': token } : {})
        },
        body: JSON.stringify({ parts, uploadId: serverResponse.uploadId, key: serverResponse.key })
      });
      const message = <span class="cstat-no" title="statement not covered" >await response.text();</span>
<span class="cstat-no" title="statement not covered" >      <span class="missing-if-branch" title="if path not taken" >I</span>if (!response.ok) {</span>
<span class="cstat-no" title="statement not covered" >        throw new Error(message);</span>
      }
      // the AWS S3 SDK CompleteMultipartUpload command can return a HTTP 200 status header but still error;
      // we need to parse, and according to AWS, to retry
<span class="cstat-no" title="statement not covered" >      <span class="missing-if-branch" title="if path not taken" >I</span>if (message.match(/Error/)) {</span>
<span class="cstat-no" title="statement not covered" >          throw new Error(message);</span>
      }
    },
<span class="fstat-no" title="function not covered" >    abortMultipartUpload(</span>serverResponse) {
      const { uploadId, key } = <span class="cstat-no" title="statement not covered" >serverResponse;</span>
      const token = <span class="cstat-no" title="statement not covered" >formio.getToken();</span>
<span class="cstat-no" title="statement not covered" >      fetch(`${formio.formUrl}/storage/s3/multipart/abort`, {</span>
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          ...(token ? { 'x-jwt-token': token } : {})
        },
        body: JSON.stringify({ uploadId, key })
      }).catch(<span class="fstat-no" title="function not covered" >(e</span>rr) =&gt; <span class="cstat-no" title="statement not covered" >console.error('Error while aborting multipart upload:', err))</span>;
    },
<span class="fstat-no" title="function not covered" >    uploadParts(</span>file, urls, headers, partSize, multipart, abortSignal) {
      const { changeMessage, progressCallback } = <span class="cstat-no" title="statement not covered" >multipart;</span>
<span class="cstat-no" title="statement not covered" >      changeMessage('Chunking and uploading parts to AWS S3...');</span>
      const promises = <span class="cstat-no" title="statement not covered" >[];</span>
<span class="cstat-no" title="statement not covered" >      for (let i = <span class="cstat-no" title="statement not covered" >0;</span> i &lt; urls.length; i++) {</span>
        const start = <span class="cstat-no" title="statement not covered" >i * partSize;</span>
        const end = <span class="cstat-no" title="statement not covered" >(i + 1) * partSize;</span>
        const blob = <span class="cstat-no" title="statement not covered" >i &lt; urls.length ? file.slice(start, end) : file.slice(start);</span>
        const promise = <span class="cstat-no" title="statement not covered" >fetch(urls[i], {</span>
          method: 'PUT',
          headers,
          body: blob,
          signal: abortSignal,
        }).then(<span class="fstat-no" title="function not covered" >(r</span>es) =&gt; {
<span class="cstat-no" title="statement not covered" >          if (res.ok) {</span>
<span class="cstat-no" title="statement not covered" >            progressCallback(urls.length);</span>
            const eTag = <span class="cstat-no" title="statement not covered" >res.headers.get('etag');</span>
<span class="cstat-no" title="statement not covered" >            <span class="missing-if-branch" title="if path not taken" >I</span>if (!eTag) {</span>
<span class="cstat-no" title="statement not covered" >              throw new Error('ETag header not found; it must be exposed in S3 bucket CORS settings');</span>
            }
<span class="cstat-no" title="statement not covered" >            return { ETag: eTag, PartNumber: i + 1 };</span>
          }
          else {
<span class="cstat-no" title="statement not covered" >            throw new Error(`Part no ${i} failed with status ${res.status}`);</span>
          }
        });
<span class="cstat-no" title="statement not covered" >        promises.push(promise);</span>
      }
<span class="cstat-no" title="statement not covered" >      return Promise.all(promises);</span>
    },
<span class="fstat-no" title="function not covered" >    downloadFile(</span>file) {
<span class="cstat-no" title="statement not covered" >      if (file.acl !== 'public-read') {</span>
<span class="cstat-no" title="statement not covered" >        return formio.makeRequest('file', `${formio.formUrl}/storage/s3?bucket=${XHR.trim(file.bucket)}&amp;key=${XHR.trim(file.key)}`, 'GET');</span>
      }
      else {
<span class="cstat-no" title="statement not covered" >        return Promise.resolve(file);</span>
      }
    },
<span class="fstat-no" title="function not covered" >    deleteFile(</span>fileInfo) {
      const url = <span class="cstat-no" title="statement not covered" >`${formio.formUrl}/storage/s3?bucket=${XHR.trim(fileInfo.bucket)}&amp;key=${XHR.trim(fileInfo.key)}`;</span>
<span class="cstat-no" title="statement not covered" >      return formio.makeRequest('', url, 'delete');</span>
    },
  };
}
&nbsp;
s3.title = 'S3';
export default s3;
&nbsp;</pre></td></tr></table></pre>

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